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INDONESIA
Kultivasi
Published by Universitas Padjadjaran
ISSN : 14124718     EISSN : 2581138X     DOI : -
Core Subject : Agriculture,
Agriculture, Biological Sciences & Forestry
Jurnal Kultivasi diterbitkan oleh Departemen Budidaya Pertanian, Fakultas Pertanian, Universitas Padjadjaran. Jurnal ini terbit tiga kali dalam setahun, yaitu pada bulan Maret, Agustus, dan Desember. Kultivasi mempublikasikan hasil penelitian dan pemaparan ilmiah dari para dosen dan peneliti di bidang budidaya tanaman. Bidang kajian yang dipublikasikan jurnal ini diantaranya adalah agronomi, pemuliaan tanaman, ilmu gulma, teknologi benih, teknologi pasca panen, ilmu tanah, dan proteksi tanaman.
Arjuna Subject : -
Articles 495 Documents
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Effect of preharvest paclobutrazol and nitrogen fertilizers on the sprouting performance of ‘median’ potato seed G0 tuber Hamdani, Jajang Sauman; Budiarto, Rahmat; Nuraini, Anne; Ramadani, Selika Fitrian
Kultivasi Vol 24, No 2 (2025): Jurnal Kultivasi
Publisher : Universitas Padjadjaran

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24198/kultivasi.v24i2.64652

Abstract

Various intensifications of potato cultivation, such as the provision of paclobutrazol and nitrogen (N) fertilizer, are thought to impact the quality of the seeds produced. This study aims to evaluate the effects of different N fertilizer doses and paclobutrazol concentrations applied in the preharvest period on the sprouting performance of G0 potato tuber seeds after storage. Nine treatment combinations, each repeated three times, were tested, using 50%, 100%, and 150% of the recommended N dose and paclobutrazol concentrations of 50, 100, and 150 part per million (ppm), applied at 30 and 45 days after planting, respectively. The interaction effect between N fertilizer and paclobutrazol concentration was not significantly affected on all observed variables. Preharvest application of 100% N fertilizer produced the largest seedlings, indicated by the highest shoot length at 56 and 74 days after storage. Preharvest application of 150 ppm paclobutrazol produced the highest shoot length, shoot emergence rate, and seedling dry weight than other treatments. The present study implied the importance of preharvest N and paclobutrazol for improving the sprouting performance of G0 potato seed tuber.
Effect of potassium fertilizer on the nutrition and physical quality of Job’s tears (Coix lacryma-jobi L.) seeds Haysa, Qinthara Nail; Yuwariah, Yuyun; Wicaksono, Fiky Yulianto
Kultivasi Vol 24, No 2 (2025): Jurnal Kultivasi
Publisher : Universitas Padjadjaran

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24198/kultivasi.v24i2.63213

Abstract

Job's tears is a cereal crop that has beneficial nutrients. Potassium is known to affect the growth and yield of cereal crops, but there has been limited study on whether potassium affects the nutrition and physical quality of Job’s tears seeds.  This study aimed to analyze the effect of K fertilizer on the nutritional content and physical quality of Job's tears seeds. This research was conducted from January to May 2024 at Ciparanje Experimental Field, Faculty of Agriculture, Universitas Padjadjaran, Sumedang, Indonesia. This experiment used the Randomized Block Design (RBD) method with six treatments and four replications. Various doses of K fertilizer (KCl) were tested, i.e., 0, 62.5, 125, 250, 375, and 500 kg/ha KCl. The measured nutritional content was the extraction rates of carbohydrate, protein, lipid, calcium, and potassium, while the physical quality was represented by the weight of husked grain, size of seeds, and seed hardness. Results showed that potassium increased the extraction rates of carbohydrate, protein, lipid, calcium, and potassium. Potassium also increased the weight of husked grain and size of seeds. A dosage of 500 kg/ha KCl resulted in the best nutrition, weight of husked grain, and size of seeds.
Effect of eco-enzyme application on soil nutrient and plant productivity of green mustard-peanut in inceptisol Rachman, Idris Abd; Umasugi, Buhari; Aji, Krishna; Hakim, Nurul Fahira A; Sofyan, Adnan; Hasan, Asrul Dedy Ali
Kultivasi Vol 24, No 2 (2025): Jurnal Kultivasi
Publisher : Universitas Padjadjaran

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24198/kultivasi.v24i2.64591

Abstract

Appropriate land management has a long-term impact on soil performance and is believed to improve soil fertility. This study investigated the effect of eco-enzymes on soil nutrients and plant productivity of green mustard-peanut in inceptisol. The research was conducted from February to April 2025.  The experiment used a randomized block design (RBD) consisting of 5 treatments and replicated 3 times, so that there were 15 units, including N0 = without Eco-enzyme, N1 = Eco-enzyme 2cc/L. N2= Eco-enzyme 4cc/L, N3= Eco-enzyme 6cc/L, and N4= Eco-enzyme 8cc/L. The commodities used were green mustard (Brassica juncea L) and peanut (Arachis hypogaea Linn). Soil properties variables included soil pH, N-total, and P-available, while plant productivity variables included plant height, number of leaves, leaf area, fresh weight, and pod production. The results showed that the concentration of eco-enzymes had a significant effect on N-total, P-available, green mustard plant height, and peanut plant height. However, eco-enzyme concentration had no significant effect on soil pH, number of green mustard leaves, green mustard fresh weight, green mustard leaf area, number of peanut branches, and peanut pod production. The lowest production of green mustard was 0.85 tons/ha, and the highest was 3.29 tons/ha. While the lowest production of Peanut pods was 4.3 tons/ha and the highest was 6.67 tons/ha.
High temperature in potato: plant responses and adaptive cultivation strategies to increase production Gultom, Siska Rahmayani; Hamdani, Jajang Sauman; Kusumiyati, Kusumiyati
Kultivasi Vol 24, No 2 (2025): Jurnal Kultivasi
Publisher : Universitas Padjadjaran

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24198/kultivasi.v24i2.63168

Abstract

Climate change, with global temperatures rising by 1.09°C from 1850–1900 to 2011–2020, threatens potato production, a critical staple crop, by exceeding the optimal temperature range of 15–20°C. This review synthesizes over 45 peer-reviewed studies published between 2015 and 2025 from Google Scholar and ScienceDirect to evaluate the physiological, morphological, and tuber quality responses of potatoes to high temperatures and to identify adaptive cultivation strategies for sustainable production. High temperatures reduce photosynthetic efficiency through chlorophyll degradation and stomatal closure, increase respiration, and divert photosynthates to vegetative growth, leading to 18–32% yield losses globally by the 2050s. Heat-tolerant varieties, such as Atlantic (11.47 tons/ha), Merbabu-17 (11.04 tons/ha), and Granola (3.61 tons/ha), maintain productivity in medium-altitude lands. Plant growth regulators (PGRs), including BAP, melatonin, and paclobutrazol, enhance tuber yield by regulating hormonal balance and antioxidant activity. Drip irrigation and mulching (e.g., straw, wheat, plastic films) improve water use efficiency and buffer soil temperature. These integrated strategies of heat-tolerant varieties, PGRs, irrigation, and mulching offer practical solutions to mitigate heat stress and ensure sustainable potato production under changing climate conditions.
Phenotypic evaluation of F10 soybean generations from Grobogan x Slamet cross for large seed size selection Hidayat, Ponendi; Nurtiati, Nurtiati; Ulinnuha, Zulfa; Adellansyah, Adellansyah
Kultivasi Vol 24, No 2 (2025): Jurnal Kultivasi
Publisher : Universitas Padjadjaran

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24198/kultivasi.v24i2.62772

Abstract

Soybeans are an important crop with high nutritional value and diverse uses. Current consumer and industry preference is for soybean varieties with large seeds and high productivity. To meet these demands, one effective approach is through hybridization. This study aims to evaluate the phenotype of F10 soybean line from a cross between Grobogan and Slamet for large-seeded and high-yield. The study was conducted in the screenhouse and Plant Breeding and Biotechnology Laboratory, Faculty of Agriculture, Jenderal Soedirman University. The experiment used a Randomized Complete Block Design (RCBD) with three replications, testing genotypes from Slamet x Grobogan crosses and three check varieties: Slamet, Grobogan, and Wilis. Observational data were analyzed using analysis of variance (ANOVA) with a 5% error rate and continued with LSD to select lines with high-performing genotype. The results of the ANOVA showed that the tested lines affected growth parameters and plant yield components. LSD analysis showed that the highest leaf length and number of leaves were in GS 7. In seed weight per plant, all lines were below Grobogan, followed by GS 7 and GS 47. In 100 seed weight, all lines were below Grobogan, but there were lines with large seed categories (> 14 g/100 seeds), namely GS7, GS 12, GS 36, and GS 39. Correlation analysis showed that the number of pods and 100 seed weight were positively correlated with seed weight per plant. Therefore, these traits can be selection indicators to identify high-yielding soybean genotype.

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